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101566 天冬酰胺酸;天门冬素

101566
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概述

Replacement Information

重要规格表

CAS #经验配方
5794-13-8C₄H₈N₂O₃ * H₂O

Products

产品目录编号包装 数量 / 包装
1.01566.0100 塑胶瓶 100 g
1.01566.1000 塑胶瓶 1 kg
1.01566.9010 塑胶滚桶;塑胶鼓桶 10 kg
描述
产品目录编号101566
同义词Asparaginic acid semiamide, Asn
参考
产品信息
CAS号5794-13-8
EC号200-735-9
Hill配方C₄H₈N₂O₃ * H₂O
Molar Mass150.14 g/mol
HS代码2924 19 99
结构配方图像结构配方图像
Quality LevelMQ100
应用
应用L-Asparagine monohydrate for biochemistry. CAS 5794-13-8, pH 4.0 - 5.5 (20 g/l, H₂O, 20 °C).
生物信息
理化信息
熔点215 - 217 °C 分解
pH值4.0 - 5.5 (20 g/l, H₂O, 20 °C)
容积密度530 kg/m3
溶解度22 g/l
尺寸
材料信息
毒性学信息
GHS安全信息
储存类别10 - 13 其它液体及固体
WGKWGK 1 轻度的水危害
一次性3
反应性相对较低的有机物必须被收集在第A类, 如果被卤化则在第B类, 如果为固体残留物则归在第C类.
安全信息
产品使用声明
储存和货运信息
储存于 +2°C 到 +30°C储存.
包装信息
运输信息
补充信息
规格
Assay (perchloric acid titration, calculated on dried substance)99.0 - 101.0 %
Identity (IR-spectrum)passes test
Identity (specific rotation)passes test
Appearancewhite to almost white crystalline powder or colorless crystals
Appearance of solution (20 g/l, CO₂-free water)clear and colorless
Spec. rotation (α 20/D, 100 g/l, hydrochloric acid 3 mol/l, calc. on dried substance)+33.7 to +36.0
Chloride (Cl)≤ 50 ppm
Sulfate (SO₄)≤ 50 ppm
As (Arsenic)≤ 5 ppm
Ca (Calcium)≤ 10 ppm
Co (Cobalt)≤ 5 ppm
Fe (Iron)≤ 5 ppm
K (Potassium)≤ 5 ppm
Mg (Magnesium)≤ 5 ppm
Na (Sodium)≤ 50 ppm
Pb (Lead)≤ 10 ppm
Zn (Zinc)≤ 5 ppm
Ninhydrin-positive substances (LC)(Aspartic acid)≤ 0.5 %
Ninhydrin-positive substances (LC) (any other ninhydrin-positive impurity)≤ 0.3 %
Ninhydrin-positive substances (LC) (ammonium (570 nm))≤ 0.02 %
Ninhydrin-positive substances (LC) (total impurities)≤ 0.8 %
Loss on drying (130 °C, 3 h)10.5 - 12.5 %
Global Trade Item Number
产品目录编号 GTIN
1.01566.0100 04022536022833
1.01566.1000 04022536022840
1.01566.9010 04022536692647